Medicine library
43 medicines and when they work best in your day.
Type of medicine
Best time of day
18 results
Furosemide
Lasix
Morning (second dose by early afternoon)
Hydrochlorothiazide
Microzide, HCTZ
Morning
Isosorbide mononitrate
Imdur, Monoket
Morning & early afternoon (asymmetric)
Levothyroxine
Synthroid, Euthyrox
On waking, empty stomach — or bedtime
Prednisolone / prednisone
Deltasone, Pred Forte (oral forms)
Morning
Hydrocortisone (replacement)
Cortef, Plenadren
Largest dose on waking, smaller early afternoon
Metformin
Glucophage, Glucophage XR
With meals (XR with the evening meal)
Glimepiride
Amaryl
With breakfast
Omeprazole
Prilosec, Losec
30–60 min before breakfast
Fluoxetine
Prozac
Morning
Methylphenidate
Ritalin, Concerta
Morning (immediate-release also at midday)
5-Fluorouracil (chronomodulated)
5-FU infusion
Overnight infusion, peak ~04:00
Oxaliplatin (chronomodulated)
Eloxatin
Daytime infusion, peak ~16:00
Immune checkpoint inhibitors
Pembrolizumab, nivolumab
Morning infusions
Naproxen & other NSAIDs
Aleve, ibuprofen, indomethacin
Depends on the condition
Alendronate
Fosamax
On waking, empty stomach
Tamsulosin
Flomax
30 min after the same meal each day
Influenza vaccine
Seasonal flu shot
Morning appointment